Street, R. A., & Quirrenbach, A. (2005). Variable stars in the field of open cluster NGC 6819: II. Monthly notices of the Royal Astronomical Society, 358(3), . https://doi.org/10.1111/j.1365-2966.2005.08751.x
Chicago-Zitierstil (17. Ausg.)Street, Robert A., und Andreas Quirrenbach. "Variable Stars in the Field of Open Cluster NGC 6819: II." Monthly Notices of the Royal Astronomical Society 358, no. 3 (2005). https://doi.org/10.1111/j.1365-2966.2005.08751.x.
MLA-Zitierstil (9. Ausg.)Street, Robert A., und Andreas Quirrenbach. "Variable Stars in the Field of Open Cluster NGC 6819: II." Monthly Notices of the Royal Astronomical Society, vol. 358, no. 3, 2005, https://doi.org/10.1111/j.1365-2966.2005.08751.x.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.